I found a misprint! Or did I?

0

651

1

Solve (5x-1)(3x+1). If x=2
A:70
B:64
C:67
D:30

Why did the book say C?

I got 63!

Guest May 29, 2014

0 users composing answers..

Best Answer

+130511

+5

[5(2) -1] * [ 3(2) + 1 ] =

[9] * [7] = 63

I agree.......

Fire those publishers !!!!

BTW.....67 is a prime number...the only two possible positive integers that could multiply to this are 1 and 67.

CPhill May 29, 2014

1⁺⁰ Answers

+130511

+5

Best Answer

[5(2) -1] * [ 3(2) + 1 ] =

[9] * [7] = 63

I agree.......

Fire those publishers !!!!

BTW.....67 is a prime number...the only two possible positive integers that could multiply to this are 1 and 67.

CPhill May 29, 2014

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